This seems to be a Buzz word gaining its entry into the space, every new day births its own buzz words.

Pi network over the years has managed to garner the crowd of people it took Bitcoin more than half-a-decade to achieve, I'll give it to them but to compare it to Bitcoin is entirely not worth it, when Bitcoin actually created the pathway through which Pi coin found its existence.
Up until now, we are yet to hear or see the use case of Pi coin, I have seen the updates on socials but thats not enough to compare the flagship of blockchain technology to a project leveraging on it